package com.hjduan.csdn.utils;

/**
 * Created with IntelliJ IDEA.
 * Description: 字符串辅助类
 * 段浩杰   2017-08-05-22:46
 */
public class StringUtil {

    public static boolean isEmpty(String str) {
        if (str == null || str.trim().length() == 0) {
            return true;
        }
        return false;
    }
}
